861930

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{157}}^1$

素因数の和:231

約数の個数: 48

約数和(自身を含む): 2292264

約数和(自身を除く): 1430334

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 61, 90, 122, 157, 183, 305, 314, 366, 471, 549, 610, 785, 915, 942, 1098, 1413, 1570, 1830, 2355, 2745, 2826, 4710, 5490, 7065, 9577, 14130, 19154, 28731, 47885, 57462, 86193, 95770, 143655, 172386, 287310, 430965, 861930]

約数ペア:

[(1, 861930), (2, 430965), (3, 287310), (5, 172386), (6, 143655), (9, 95770), (10, 86193), (15, 57462), (18, 47885), (30, 28731), (45, 19154), (61, 14130), (90, 9577), (122, 7065), (157, 5490), (183, 4710), (305, 2826), (314, 2745), (366, 2355), (471, 1830), (549, 1570), (610, 1413), (785, 1098), (915, 942)]